Sled-shoe



(No Model.)

W. E. ANDERSON.

SLED SHOE No. 463,132. Patented Nov. 1'7, 1891-.

UNITED STATES PATENT OFFICE..

lVlLLIAM E. ANDERSON, OF FREVSBURG, NEW YORK.

SLED-SHOE.

SPECIFICATION forming part of Letters Patent No. 463,132, dated November17, 1891.

pplication filed T une 1 189 l i To aZZ whom, t may concern.-

Beit known. that I, WILLIAM E. ANDERSON, a citizen of the United States,residing at Frewsburg, county of Chautauqua, State of New York, haveinvented certain new and useful Improvements in Sled-Shoes, of which thefollowingis such a full, clear, and exact description as will enable anyone skilled in the art to which it appertains to make and use the same,reference being had to the accompanying drawings, forming part of thisspecification.

In the use of metallic `sled-shoes of a brittle nature a seriousdrawback is the liability of the shoe to crack and fall to pieces,thereby rendering it worthless.

The principal object of my invention is to so re-enforce and strengthenthis class of shoes as to render it less liable to break, and in case itshould become broken to hold the parts togetherin such a way that theshoe may still be used and allowed to perform its work.

A further object of my invention is to so cast and form the shoe that itmay be readily attached to the sled-runner.

To these ends my invention consists in the certain novel and peculiararrangements and combinations of the several parts of the device and inthe method of making the shoe, all as hereinafter fully described,`"andthen pointed out in the claim.

I have illustrated my improved sled-shoe in the accompanying drawings,wherein- Figure 1 is a perspective view of the shoe detached. Fig. 2 isa sectional view of the same, the section being taken on a centralvertical plane. Fig. 3 is a perspective view of the re-enforce orstrengthening bar detached from the shoe and with the taperingcastingplugs set therein.

Referring to the drawings, in which like numbers of reference designatelike parts throughout, 6 designates the sled-shoe, which I preferablymake solid and of cast-iron, though of course other suitable materialmay be used instead. The shoe is formed long and narrow with its endsslightly rounded, the forward end at theleft hand of the views beingcurved slightly upward, in the usual manner, to permitthe shoe to slideeasily on the surface over which it may be drawn. It

Serial No. 396,310. (No model.)

may. of course be made in any desired shape or size, according to therequirements.

A re-enforce or core piece 7, which is made of a strong non-brittle ortough material, such as steel, is embedded in the shoe 6 and is disposedlongitudinally thereof, extending nearly from end to end of the` same,as indicated in the drawings. This re-enforce maybe of any preferred andsuitable shape and size, the purpose of its use being to strengthen themore brittle metal of which the shoe is made,

and, in the event of the shoe being broken in pieces, to hold the piecesfirmly together, so that the shoe may be preserved in operative form andcontinue to be used as though it were not cracked or broken. In theconstruction shown the re-enforce bar 7 is a iiat strip or plate ofsteel of the shape shown, and the perforations 8 S, which extendvertically through the shoe and by means of which it is attached to thesled-runner, pass through the strip, so that boththe shoe and strip areheld by the attaching device when applied to the runner. The re-enforce7 extends a little 'short of the ends of the shoe, so as to be justconcealed atthe ends, and the shoe is cast with the re-enforce embeddedtherein and the attaching-perforations 8 8 ready for use in thefollowing novel manner: The re-enforce 7 and the tapering casting-plugs9 9 being placed in proper position in the mold, the position being suchas they are to assume in the finished shoe, the molten iron is pouredinto the mold and the shoe cast, the plugs 9 9 being knocked out as soonas the iron has cooled sufficiently. Thus the completed shoe is formedwith its re enforce and conicallyshaped perforations 8 8, ready to beattached to the bottom of the runner in the usual manner. The're-enforce bar 7 is first formed in the desired shape from steel, and,with the openings lO 10 and the casting-plug 9 9, are set in theopenings, as shown in Fig. 3. These parts are then set in the mold andthe shoe cast around them. The perforations S 8 may be more or less innumber than shown, and the re-enforce may be made lighter or heavier, asdesired; but the latter must be sufficiently solid to iirmly hold thepartsv of the shoe together when it accidentally breaks.

The important advantages of the invention ICO cracked into many piecesand still be heldl strung` together on the re enforce Or core piece 7.

Having thus described my improvements in sled-shoes, what I claim as myinvention, and desire to secure by Letters Patent, is-

As a new article of manufacture, a cast-iron sled-shoe cast withVertical perforations S 8 for receiving the attaching-bolts, and having'Va fiat steel or Wrought-iron core Or re-enforce bar '7, castlongitudinally within the body of 15 In testimony whereof I havehereunto set 2o my hand, this 11th day of June, '1891, in the presenceof two subscribing` Witnesses.

'WILLIAM E. ANDERSON. Witnesses:

OLOF A. OLSON, AXEL FR. JOHNSON.

